(;GM[1]FF[4]SZ[19]
GN[Save the middle group.]
PC[http://senseis.xmp.net/?BeginnerExercise275/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise275/Discussion

Save the middle group.]
PL[B]

AB[ap][bp][dp][ip][cq][dq][eq][hq][jq][br][cr][gr][ir][jr][kr][hs]
AW[cn][bo][co][eo][go][ho][io][jo][cp][fp][kp][fq][gq][kq][mq][dr][er][fr][lr][gs][ks]
CR[iq][hr]

;B[fs]C[B7]MN[7]

;CR[iq][hr]
)
